S
M
T
W
T
F
S
31
65°
46°
1
61°
45°
2
68°
45°
3
79°
53°
4
69°
47°
5
72°
43°
6
65°
42°
7
63°
43°
8
71°
46°
9
76°
49°
10
76°
49°
11
75°
50°
12
78°
49°
13
81°
52°
14
72°
47°
15
66°
46°
16
67°
45°
17
78°
52°
18
78°
52°
19
73°
51°
20
75°
51°
21
79°
52°
22
80°
52°
23
81°
53°
24
79°
52°
25
78°
51°
26
80°
53°
27
79°
45°
28
69°
46°
29
72°
48°
30
79°
52°
1
81°
52°
2
81°
53°
3
83°
54°
4
85°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Diamond Lake
Diamond Lake's June 2026 forecast shows daily high temperatures ranging from 61° to 85°, with overnight lows between 42° and 55°. The average high for June is 75° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Diamond Lake. See also: July | August | September.